opentelemetry-java-instrumentation
async-profiler
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opentelemetry-java-instrumentation | async-profiler | |
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12 | 8 | |
1,693 | 5,883 | |
4.4% | - | |
9.9 | 8.4 | |
about 23 hours ago | about 1 year ago | |
Java | C++ | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
opentelemetry-java-instrumentation
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OpenTelemetry Journey #01 - Important concepts
Java
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Monitoring Spring Boot with OpenTelemetry
wget https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/latest/download/opentelemetry-javaagent.jar
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Launch HN: Odigos (YC W23) – Instant distributed tracing for Kubernetes clusters
We are actually able to handle the long tail of tracing by leveraging the amazing open source community. For languages like Java we use the automatic instrumentation created by the OpenTelemetry community which is really great and support ton of libraries, you can see a list of supported libraries here: https://github.com/open-telemetry/opentelemetry-java-instrum...
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End-to-end tracing with OpenTelemetry
As in Python, it creates spans for every method call and HTTP entry point. It also instruments JDBC calls, but we have a Reactive stack and thus use R2DBC. For the record, a GitHub issue is open for adding support.
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OpenTelemetry Java: Getting Started Guide
Download the latest Java agent ‘JAR’ from the official repo on GitHub and copy the opentelemetry-javaagent-all.jar file to your project.
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Tracing MongoDB calls with OpenTelemetry
Java OpenTelemetry MongoDB library for Java applications
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Implementing Distributed Tracing in a Java application
Download the latest version of the Java JAR agent, and copy jar agent file in your application code. We have placed the agent under the folder named agents.
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Best performance monitoring tools?
OpenTelemetry and Java Flight Recorder (JFR) cover most bases. Use the OpenTelemetry Java agent if you want auto-instrumentation or just the APIs if you want to do your own instrumentation.
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Everything you need to know about OpenTelemetry Java auto-instrumentation 👨🏽💻
OpenTelemetry provides three repositories to instrument applications. The opentelemetry-java-instrumentation repo contains the code for auto-instrumentation of Java applications.
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Everything you need to know about OpenTelemetry Java agent
opentelemetry-java-instrumentation This is the sibling project of opentelemetry-java and provides the all-in-one, easy-to-install auto instrumentation Java agent. The OpenTelemetry Java agent enables you to capture telemetry data from many popular libraries and frameworks. You need to attach it to any Java 8+ application. We will learn more about the Java agent below.
async-profiler
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Migrating a Spring Boot application to Quarkus
Using the Async Profiler we were able to build flamegraphs for the first and second queries to picture the differences in path length of the two transactions execution.
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Why would a Java prime sieve run at only half its speed _some_ of the times?
Also, running it under a profiler (I recommend async-profiler[1]) should give you a good idea of where the slowdown occurs which might help you pin it down further.
- Best performance monitoring tools?
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Rust Option 30x more efficient to return than Java Optional
async-profiler is really great at analyzing allocations, give it a shot!
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Ask Java: what are some JFR-based tools that you enjoy?
JFR to Flame Graph Converter
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Utility script for generating flamegraphs from JFR logs without dependencies.
Async Profiler converter tool does support JFR to Flame Graph, JFR to FlameScope, collapsed stacks to Flame Graph -https://github.com/jvm-profiling-tools/async-profiler#download
What are some alternatives?
container-jfr - Secure JDK Flight Recorder management for containerized JVMs
spring-petclinic - A sample Spring-based application
junit-jfr - a JUnit 5 extension that generates JFR events
jmh - https://openjdk.org/projects/code-tools/jmh
signoz - SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
jfr-libraries - a list of libraries that generate JFR events
opentelemetry-java - OpenTelemetry Java SDK
Arthas - Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
prometheus-jfr-exporter - a collector that scrapes JFR events from a JVM target at runtime for Prometheus to use
jfr-maven-extension - a Maven extension generates JFR events for a Maven build